Rochester

County:: Thurston County
County Seat:: No
Area (mi²):: 8.462
State:: Washington

Rochester is a CDP located in Thurston County, Washington. Rochester has a 2025 population of 7,256. Rochester is currently growing at a rate of 4.69% annually and its population has increased by 49.48% since the most recent census, which recorded a population of 4,854 in 2020.

The average household income in Rochester is $102,422 with a poverty rate of 14.81%. The median age in Rochester is 43.3 years: 46.1 years for males, and 36.8 years for females.

Demographics

The racial composition of Rochester includes 78.34% White, 7.29% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,720	78.34%
Two or more races	696	11.55%
Other race	439	7.29%
Asian	123	2.04%
Native American	47	0.78%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rochester Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rochester's average per capita income is $56,250. Household income levels show a median of $94,754. The poverty rate stands at 14.81%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$125,787	-
Families	$108,214	$114,056
Households	$94,754	$102,422
Non Families	$41,667	$56,244

$56,250

Average Income

$94,754

Median Household Income

14.81%

Poverty Rate